Thisisthestoryofhowoursolarsystemwillbetransformedbytheagingsunbeforecomingtoaspectacularendinabouteightbillionyears.Astronomerscanpeerintothefarfuturetopredicthowitwillhappenbyanalysingdistantgalaxies,starsandevenplanetsintheirfinalmoments.Inthisfilm,Horizonbringsthesepredictionstolifeinapeacefulmidwesterntownthathasagiantscalemodelofthesolarsystemspreadoutalloverthecity.Asitages,thesunwillbloatintoaredgiantstar,swallowingplanets...aswellashalfthetown.ThefateoftheEarthitselfhangsinthebalance.Howwillthesolarsystemend